noun, noun or participle which takes 'suru'
travel by land; go overland
Refers to traveling by land as opposed to by sea or air. Often used in contrast with 航海 (sea travel) or 飛行 (air travel).
島まで船で行かず、陸路を陸行した。
Instead of going by boat, we traveled overland to the island.
この荷物は陸行で運ぶ予
This cargo is scheduled to be transported by land.